Yu was a 23rd century Human male. By the early 2250s, Yu was serving in Starfleet as a sciences division officer assigned to the USS Enterprise as science officer.

In 2252, Yu was assigned a mission to planet Delta Aurigae III. Ensign Spock was assigned to take over the bridge science station during Yu's temporary absence. (TOS - Constellations short story: "Chaotic Response")

In "Chaotic Response", Yu is mentioned only in a hallucinatory memory of Spock's, and thus may have only been an invention of his imagination.

By 2257 Yu was serving aboard the USS Farragut as the ship's helmsman. In that year, Yu was at his station on the bridge when the Farragut came under attack by a dikironium cloud creature whilst in orbit of Tycho IV. Yu was killed along with all other personnel on the bridge, except Ensign Konerko. (TOS - My Brother's Keeper novel: Constitution)

The Yu who appeared in Constitution may be a different person to the one mentioned in "Chaotic Response", but with no confirmation either way, they are assumed to be the same person.

Connections[edit | edit source]

USS Enterprise (NCC-1701) sciences personnel
under Charles Rasmussen & Robert April AllinskyGriggsOstermanRamirez under Christopher Pike CaymanDaviesLuceroReedSpockT'PrisViolaYu Starfleet emblem. USS Enterprise sciences assignment insignia.
under James T. Kirk
(first five-year mission)
AckroydAldenAmstelAristeidesAvittsBerkeleyBerganzaBerryBerrymanBomaBordellBrentCallowayCharvatD'AmatoDarnellEricksonErrgangFaustFisherFollettFreemanFreyerGiacomoGildenHarrisonHernandezHerradaHintonHomeyerHurstIrizarryJaegerJamesonJaramilloKrispLowreyMasonC. MastersMcGiversMeierMendozaMorrisMulhallNelsonO'HaraO'SheaOwensPalamasPhillipsRandallRodinoRomaineSpockSuluSydneyTambolineTracyTremainWatleyWeinbergWellsYbarra
subsequent missions under Kirk & Spock AmaarBolekChangD'HennishFisherGreywolfHaleyHester-JonesW. MeierNakashimaNarahtSaavikSagadySonakSpockTenaidaThemonTherasT'YeeWhitehorse UFP emblem. USS Enterprise sciences assignment insignia.
see also: administrative personnelcommunications personnelengineering personnelmedical personnelpilots & flight control personnelsecurity & tactical personnelsenior staff • unnamed (2240s and 2250s2260s2270s and 2280s)
USS Farragut personnel
USS Farragut (NCC-1647) AkankeAyersK. BogleA. ChenowythCraneA. DrakeGaltGarrovickGilhooleyHasegawaT. KeginHellundKellyKeyesJ.T. KirkKonerkoV. LeighMcKoneG. MitchellF. MorganD. MorwoodOjibwePavanoPiniellaPoquetteN. RabinSmileyL.H. StylesTolanVosbergYuunnamed personnel UFP emblem image. Starfleet emblem. Farragut assignment insignia.
USS Farragut (NCC-1729) BogleP. EllisJ. GustavusPhillipsR. LeeD. Rodrieguez
after being renamed USS Centurion: G. AldusJ. ApiusC. CaecusM. SecondusL. SejanusJ. SicaniaM. Volcinius
USS Farragut (NCC-2582) W. Ross
USS Farragut
(Kelvin timeline)
J.T. KirkS. GarrovickN. Uhura Emblem of the United Federation of Planets. USS Enterprise assignment insignia.
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